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BLAIR WILLIAM & CO/IL: MRP position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on MRP, newest first. How the timeline and the estimate are built.

BLAIR WILLIAM & CO/IL held 29,182 MRP shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 29,182 shares
    Change vs previous 13F +11,646 shares

    <0.01% of the 13F portfolio, value $876,908.

    13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 17,536 shares
    Change vs previous 13F +3,520 shares

    <0.01% of the 13F portfolio, value $491,012.

    13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 14,016 shares
    Change vs previous 13F +308 shares

    <0.01% of the 13F portfolio, value $418,654.

    13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 13,708 shares
    Change vs previous 13F +294 shares

    <0.01% of the 13F portfolio, value $460,734.

    13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 13,414 shares
    Change vs previous 13F +170 shares

    <0.01% of the 13F portfolio, value $382,421.

    13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 13,244 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $351,098.

    13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).